Milk-testing bottle.



Ptented Oct. 7, |902.

o. ANDERSON.

MlLK TESTING BUTTLE.

(Application led June 22, 1901.1

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UNITED STATES PATENT OFFICE.

OSCAR ANDERSON, OE KEARNEY, NEW JERSEY.

MILK-TESTING BOTTLE.

SPECIFICATION forming part of Letters Patent No. 710,553, dated October '7, 1902 Application filed June 22, 1901.

To ft2/Z whom, it 77mg concer-11,: ,A

Be it known that I, OSCAR ANDERSON, aciti- Zen of the United States, residing at Kearney, in the county of Hudson and State of New Jersey, have invented certain new and useful Improvements in l\'Iill -Testing Bottles; and I do hereby declare the following to be a full, clear, and exact description of theinvention, such as will enable others skilled in the art to which it appertaius to make and use the same, reference being had to the accompanying drawings, and to letters of reference marked thereon, which form a part ot' this specification.

This invention relatesl to hotties which are used for testing skim-milk to ascertain the amount of butter-fat contained therein; and the objects of the invention are to provide such a bottle which shall have a smooth interior presentingr no obstruction to the rising fat when liberated, to obtain a construction enabling any particle which enters through the filling-tube to readily escape the same -way, and to secure other advantages and results, some of which may be referred to hereinafter in connection with the description of the working parts.

The invention consists in the improved milk-testing bottle and in the arrangements and combinations of parts of the same, all substantially as will be hereinafter set forth and finally embraced in the clauses of the claim'.

Referring to the accompanying drawings, in which like letters of reference indicate corresponding parts in each of the several figures, Figure lis a side elevation of a bottle of my improved construction looking toward the lling-tube. Fig. 2 is a vertical section taken centrally through both neck and fillingtube of the bottle, as on line Fig. l; and Fig. 3 is a cross-section on line y, Fig. l. Figs. et and 5 are views similar to Figs. 2 and 3, respectively, illustrating a modiiied construction sometimes preferred.

In said drawings, ct indicates the body portion of a glass bottle, into which a quantity of skim-milk to be tested is placed and the whole swung around to describe a cone in the usual way and cause the particles of butter- Afat to move toward the top. Sulfuric acid is then inserted through a illing duct or tube Serial No. 65,561. tNo model.)

l), entering a lower'point of the body a ofthe bottle, which acid dissolves the casein and further liberates the fat particles, when upon again swinging the bottle said fat rises into a tubular neck c, extending up from the body ct. Said neck c is very slender or of much less diameter than the body a and is madeintegral therewith, having a tapering connection` as at rl, with smoothly-curved walls, facilitating a ready escapeof the rising fat from the body a into the neck c. Graduationmarks c upon the side of said neck enable the amount of fat to be determined, as usual.

At one side of the body a its` wall-is pressed or bent inward, as at I., along a vertical line from the top to a poinl a short distance above the bottom, so as to form a sort of groove or recess e', as shown in Fig. 3. ln this groove is slid the filling duct or tube b, passing at the lower end of said groove through the wall of the bottle-body, which wall at this point slopes downwardly outward, as at f, so as to obviate on the interiorof the bottle any abrupt shoulder which might retard the upward movement of liberated butter-fat particles. The end portion of the'filling tube or duct, which enters the chamber of the bottle-body, terminates at its extremity sufficiently short ot' the bottom to permit a free outlet, and at its side said tube lies close against the inner side wall of the bottle-body, as at g, so that it will form an exit which can be made to lie at the lowest point ot' the bottle-bodyin pouring out the contents. Thus no particle can enter the bottle through the filling-tube but that will nd a ready exit the same way. Preferably that portion of the filling-duct which lies in the recess e ts snugly against the bottle-body, said recess being made ot' a depth equal to or slightly greater than the diameter of the filling-tube. Thus, in plan, my filling-tube lies Wholly within the circular outline or boundary of the bottle-body, which is in practice a most essential feature, since it permits my testing-bottle to be slid into the usual seat provided for swinging such bottles and have a firm stable support. Moreover, there is no outwardly-projecting part to be exposed to the greater centrifugal force which comes with increased radius, as will be understood by those skilled in the art.

In Figs. 4 and 5 I have illustrated a construction which is sometimes preferred. Here the filling-duct b is blown integral with the bottle, having its side away from the neck c in line with and a continuation of the side Wall of the bottle-body. Vhere the duct passes into the chamber of the bottle-body, as at h, it is preferably flattened, so that its inclosed portion b2 is elliptical in cross-section, as shown in Fig. 5.

Various other changes may be made from the exact detail construction herein shown without departing from the spirit and scope of the invention, andI do not wish to be'liinited by the precise descriptive terms employed, except as the state of the art may require.

Having thus described the invention, what I claim as new is- 1. A milk-testing bottle, comprisinga body a, having a portion of its Walls sloping downwardly outward, a measuring-neck c, and a filling-duct passed through said sloping portion of the bottle-body and extending` within the bottle-body along its side Wall to a point close to the bottom of the bottle.

2. A milk-testing bottle, havingabodycontracted at its top into a measuring-neck and being longitudinally grooved or recessed at one side, and a lling-tnbe lying in said longitudinal recess or groove and communicating at its lower end with the interior of the body.

3. A milk-testing bottle, comprising a body a, with upright side Walls converging at the top into a slender measuring-neck, said walls having close to the bottom an outwardly downwardly sloping offset, and a filling-tube b, entering throngh the top of said sloping offset.

In testimony that I claim the foregoing I have hereunto set my hand this 20th day of June, 1901.

OSCAR ANDERSON.

\Vitnesses:

CHARLES H. PELL, C. B. PITNEY. 

